It was my sister ________ first had the idea to cycle along the entire Mekong River.
| A．who | B．whom | C．/ | D．which |
相关知识点
推荐试卷
It was my sister ________ first had the idea to cycle along the entire Mekong River.
| A．who | B．whom | C．/ | D．which |
试题篮
()
粤公网安备 44130202000953号
